From 38b5a8d4f822eac029cd04d45d5b840c08ed5862 Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Sat, 3 Mar 2012 18:17:21 +1300
Subject: [PATCH] Fix #1327 - div/0 in Drag with extreme movement speeds

---
 OpenRA.Mods.RA/Move/Drag.cs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/OpenRA.Mods.RA/Move/Drag.cs b/OpenRA.Mods.RA/Move/Drag.cs
index f58eb4c818..909cefd703 100755
--- a/OpenRA.Mods.RA/Move/Drag.cs
+++ b/OpenRA.Mods.RA/Move/Drag.cs
@@ -18,6 +18,7 @@ namespace OpenRA.Mods.RA.Move
 		int2 endLocation;
 		int2 startLocation;
 		int length;
+		int ticks = 0;
 
 		public Drag(int2 start, int2 end, int length)
 		{
@@ -26,17 +27,19 @@ namespace OpenRA.Mods.RA.Move
 			this.length = length;
 		}
 
-		int ticks = 0;
 		public override Activity Tick( Actor self )
 		{
 			var mobile = self.Trait<Mobile>();
-			mobile.PxPosition = int2.Lerp(startLocation, endLocation, ticks, length - 1);
+			mobile.PxPosition = length > 1
+				? int2.Lerp(startLocation, endLocation, ticks, length - 1)
+				: endLocation;
 
 			if (++ticks >= length)
 			{
 				mobile.IsMoving = false;
 				return NextActivity;
 			}
+
 			mobile.IsMoving = true;
 			return this;
 		}